Welcome to the 1520 Perfect Dictionary
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| Soiling index | |
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| SOILING INDEX Definition: (environment) Measure of soiling properties of particles suspended in air, measured through a Whatman number 4 filter for a specified period, expressed as coefficient of haze. ____________________________________ ... not applicable. See perfect measure (5). See perfect characteristic (1). ____ See perfect measurement (1). See perfect particularity (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |